. >>> coming up after your local news from new orleans special guest eli manning and jack and jackie harbaugh. i'm anne-marie green. this is the "cbs morning news." >>> well, today new york's grand harbaugh. i'm anne-marie green. th i'm here with daphne oz, a model of healthy habits. so daphene, do you eat activia. i do it's always in my fridge. and you know activia isn't just for minor digestive issues. exactly, it's also important for my overall well being because it helps regulate my digestive system. and when you feel good on the inside it shows on the outside! whether at work, with friends on a special night or just enjoying an activia. shine from the inside out with activia. ♪ dannon ♪ >>> well, today new york's grand central terminal marked its 100th anniversary. a rededication ceremony will be held this morning to honor the transportation icon. seth doane got an inside look at this historic building from a man who seems to hold all the answers. >> reporter: it's an architectural marvel, frozen in time, spanning 69 acres, with 125-foot ceilings, 75-foot windows, and italia